Finding the Fourth Proportional to 528,544.85, 729,392.36 and 286,827.42
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Solution
The fourth proportional to 528,544.85, 729,392.36 and 286,827.42 is: 395,822.09
Step by Step Solution
- Step 1: Write the proportion equation
528,544.85 : 729,392.36 = 286,827.42 : x - Step 2: Convert to fraction form
528,544.85/729,392.36 = 286,827.42/x - Step 3: Cross multiply
528,544.85x = 729,392.36 × 286,827.42 - Step 4: Simplify right side
528,544.85x = 209,209,723,705.41 - Step 5: Solve for x
x = 209,209,723,705.41/528,544.85 - Step 6: Final answer
x = 395,822.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.